package integer;
//基本数据类型  包装类
//int           Integer
//char          Character
public class Demo01 {
    public static void main(String[] args) {
        System.out.println(Integer.MAX_VALUE);
        //System.out.println(Math.pow(2,31));
        System.out.println(Integer.MIN_VALUE);

        System.out.println(Byte.MAX_VALUE);
        System.out.println(Byte.MIN_VALUE);//-128娶不到
    }
}
